Road over Boundary CR

Good

Linn County, Oregon · No Data Entered · Structure no. 061803000001503

Built: 1989; 36 years old
Condition: Good; inspected November 2021
Type: Slab; Prestressed Concrete
Length: 55 ft; 1 main span
Daily traffic: 10; 2006 count
Owner: Federal; U.S. Forest Service

About this bridge

Road over Boundary CR is a prestressed concrete slab carrying Road over Boundary CR in Linn County, Oregon. It was built in 1989, so it is 36 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10 vehicles a day, projected to reach 15 by 2045. The structure is 55 ft (16.8 m) long and 16 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

Location

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CarriesRoad

CrossesBoundary CR

LocationNo Data Entered

RouteFederal Lands Road 20260

CountyLinn County

StateOregon

Coordinates44.3296, -122.36611

Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

Component	Rating	Meaning
Deck	8 Very Good	No problems noted.
Superstructure	8 Very Good	No problems noted.
Substructure	8 Very Good	No problems noted.
Channel and channel protection	7 Good	Some minor problems.

Last inspectionNovember 2021

Inspection intervalevery 48 months

Operating statusOpen, no restriction

ScourCountermeasures installed to correct a previously existing problem

Structural evaluation8: Equal to present desirable criteria

Deck geometry6: Equal to present minimum criteria

Waterway adequacy6: Equal to present minimum criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating87.1 US tons

Inventory rating72.1 US tons

Structure

Structure typeSlab

MaterialPrestressed Concrete

DeckOther

Main spans1

Design loadHS 25 or greater

Structure length55 ft (16.8 m)

Longest span54 ft (16.5 m)

Deck width16 ft (4.9 m)

Roadway width14 ft (4.3 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2006)

Projected traffic15 by 2045

Trucks—

Lanes on structure1

Traffic directionOne-lane bridge for two-way traffic

CarriesHighway

CrossesWaterway

Detour if closed620.7 mi (999 km)

TollOn a free road

National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service

Maintained byU.S. Forest Service

Historic statusHistorical significance not determinable at this time

Work proposedNone recorded

Estimated improvement cost—

NavigationNo navigation control on waterway

Frequently asked questions

When was Road over Boundary CR built?

It was built in 1989, making it 36 years old in 2025.

What condition is Road over Boundary CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2021.

How much traffic does Road over Boundary CR carry?

About 10 vehicles per day (2006 count).

How long is Road over Boundary CR?

The structure is 55 ft (16.8 m) long with a longest span of 54 ft (16.5 m) and a deck 16 ft wide.

Who owns Road over Boundary CR?

It is owned by the U.S. Forest Service.